Parameters file - This file works as a settings file. You can choose to either load a file you already saved with the parameter names to keep or you can choose to create a new file where you’ll save those settings to by clicking on Browse and typing the name of the new file.
Search bar - Use the search bar to search within the Keep (3) list and find the project parameters you are looking for by filtering them out.
Keep - The Keep list shows all the project parameters present in the current document, they can either be Shared Parameters of Project Parameters.
Discard - To discard the project parameters, move the parameters in the Keep list into the Discard list by clicking on the arrows.
Checkbox - When this checkbox is enabled, all parameters are shown.
Run - The run button executes the add-in.
Save - The save button saves the settings to the Parameters file and also to the Revit file. Remember to synchronize or save the Revit file afterwards to keep those settings in the Revit file.

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